Candice and Leclerc have a drink and play the true game on a terrace on the beach with some friends. Candice confesses she slept with a colleague and has not heard from him for a year. Leclerc looks at her reproachfully, but then a woman confesses having killed her husband. Candice and Sylvie reveal their identity and arrest her. Back at the station, a new case: the murder of Karim Berkaoui, famous for his training programmes and diets on the internet, attacked at his home. Elder brother Rachid is the main suspect, having incurred large debts due to failed business. ...

While Comisaire Leclerq prepares to leave and Candice asks her why she didn't tell her about Antoine being her replacement as comisaire. In the meantime, she decides to choose the substitute in her team for his looks to make Antoine jealous. A new murder in a dinosaur amusement park can be the perfect place to test if he is as good a policeman as handsome. Candice wonders if she's made the right choice.

A man is found dead in his garage and when the police starts the investigation all evidences lead to Candice, who's been acting strange after the coma. Neither her children or the team knew that she had recently bought an sports car and rented a garage where she's fixing it. Antoine and the team have to investigate and prove her innocence.

The body of a handsome young man from Senegal is found dead on the beach. Clara Doukouré, his widow, met him during a sex travel to Senegal. Candice and her team start investigating the sex tourism for women. Although Leclerq insisted on Antoine and Candice working together, Jennifer leaves little Suzanne with her dad and Antoine is forced to take her to the police station and abandon the field work, which Candice secretly enjoys.

Isabelle Moreau, a lawyer, is found dead with her dog by her side. She and "Iggy" used to enter dog agility competitions, which gives Candice the idea of using "Fun" as cover to join the club of which Isabelle was a member to find out more. At home, she is trying to cope with her ex-husband unexpected arrival: apparently, his marriage is about to finish. As Candice thinks that marrying a younger woman was a mistake, she wants to prove her point to Emma that the age difference can be a problem in a couple. At the police station, things between the team and Franck ...

It's a Saturday morning, and while Antoine is waiting for her to have an interview with Franck, Candice decides to accompany Léo to school after discovering that he has six hours of detention for fighting. Leo's teacher happens to be Max, an old acquaintance of hers, that she met during an investigation. Suddenly, the mother of a student, who is suffering from bullying, gets in the classroom carrying a gun and took them hostage.

Love has two faces at the Renoir's: Candice starts meeting Max and Emma's boyfriend has broken up with her. The team attends Franck's burial and the psychologist offers his services to treat them, without success. So he frames them, with the authorisation of Leclerq, and they all embark in a vessel down the canal. As they witness the death of a man who is running on the bank, they are forced to stop the group therapy.

Adrian Terrasson, a soldier of the Légion Étrangère is found strangled, but none of his comrades would talk to Candice or Mehdi during the investigation, for they follow a strong code of honour and keep silent. Antoine is forced to join the corps, infiltrated as a journalist researching for an article, to gain the confidence of the other recruits and clarify the murder.

Candice and Max are going to get married and she is making the last wedding arrangements at work, which annoys Antoine. Val and Mehdi, tired of seeing them fighting all the time, suggest them to be treated by Paul Perrier, the police psychologist, or they will request to be transferred, which Candice and Antoine accept. In the meantime, two students report at the police station that a classmate from high school is missing. While searching his home, the team discovers that all the family is missing too and that there are traces of blood.

The main suspect in the investigation is found murdered in the forest, but there is no trace of the Frémonts. Candice and Antoine, still in each other's body, try to find Dr Lermin, who hypnotized them, to give their bodies back, as well as solving the investigation as quickly as possible, before Candice's wedding. Only doing their best to understand each other will help them to put an end to their delicate situation.